Above (Fig 1a) is a " quite exaggerated " exposed symbolic picture of a multi-layer thru-hole printed circuit board.
This is only a representation, &nbsp whereas in reality, the process is quite involved and does not have parts on it.

As stated, yes, it is an excellent idea to condense a circuit into the smallest possible size thus saving on
the board's physical dimensions, however....in doing so, there are strict "electronic" rules that govern the
passage of electrons along a particular circuit board track which may induce a new headache that is called
cross-talk or "electronic noise" from one circuit to another, please be very aware of these constraints and
there are trade-offs in any circuit board layout or design, speed and noise immunity are the most sought after
features requiring " ground planes " to shield or rather contain and reduce "cross talk" or high frequency
" parasitic " oscillations from one track through a circuit board track to another.

Call-Out rates (That is, we come to your office or workplace) Repairs and modifications AUD$ 100.00 per hour ( $1.6666 / min )..plus 10% GST.
( Calculated as company time taken in hours and minutes plus $1.80 / Km there and back returning to base ).

Please note: For repair work , it is advisable to acquire a correct circuit diagram prior to delivery of your goods
or equipment to be serviced and repaired. If one is not supplied, then we will need to do " reverse engineering "
of the circuit and tracing it out fully, thus establishing a correct operational circuit schematic diagram to work
with for fault finding. Without a circuit diagram is like trying to travel to Canberra blindfolded. It simply costs time
We do not do quotes for electronic equipment work as no-one can make asumptions without fully finding the faults
as there are so many variables in service work and no-one is nostradamas and can make a certain prediction ever.
Having an accurate circuit diagram will typically make service work a whole lot simpler and more precisely better.
This will cut down wasted time in trying to establish how the circuit works and what faults stop it. There is no
guess-work here. We do not own a "crystal ball" and no-one here is called Nostradamus.

Please be aware, we are not a " results only company ", that is to state as in " only "
being paid " only " if the result is goods or equipment works. We accept " your goods " for
repair or service in good faith, however if it is found at some stage during the repair(s) that
the said item(s) for repair or service are not going result in a positive working outcome,
either due to the age of item(s) or component(s) that are " still now " available in stock, we
will advise you of the costs so far in arriving at this conclusion. There are no "Free lunches".
All company time is accountable for. This is only fair as where you work, you would not like
be NOT PAID as a result of a project or job not working out right and your boss telling you,
" tough luck mate...it did not work so no pay for the hours wasted on trying to get it going".

We require payment for company time spent on your behalf working on your goods or equipment
irrespective of the final results that the item(s) in question are working. We strive for perfection
in servicing and repairs, however there are times where component tolerances change over the
years, thus often resulting in undesirable "hard to diagnose" faults along with stray capacitances
and weird parasitics etcetera, plating "growths and spurs" that creep into circuits boards over time.

This rule (above) does not apply to goods or products manufactured by us, here at
Unitech Electronics Pty. Ltd. We support our own manufactured goods & equipment
with stocks of quality original " backup service " parts for up to 5 years.

What is involved in a simple design, taking an idea or concept through to a completed product

Please note - we do NOT "mass-manufacture" circuit boards, we do
however, design the circuit layouts and single-sided prototypes.

Unitech Electronics Pty Ltd is your one stop "global shop" for all your "computer" and "Electronic"
Hardware solutions , we design and manufacture for you. We make it happen for you!